Individual evaporation channels and total fusion cross sections have been deduced for the ${}_{}{}^{16}{}_{}{}^{}\mathrm{O}$${+}^{13}$C reaction in the center of mass energy range 7.8–14.6 MeV. This was accomplished through measurements of absolute γ-ray yields from low-lying levels of evaporation residues. Singles γ-ray spectra were obtained with a high resolution Ge(Li) detector at an angle ${\mathrm{theta}}_{\gamma }$=125° with respect to the ${}_{}{}^{16}{}_{}{}^{}\mathrm{O}$ beam. All excitation functions measured are devoid of any structure, in contrast with the well-known oscillations observed in ${}_{}{}^{16}{}_{}{}^{}\mathrm{C}$. The results are compared to statistical model calculations and predictions of macroscopic models.

• Received 2 December 1985

DOI:https://doi.org/10.1103/PhysRevC.34.196